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Do You Know How to Seal Your Interlock?

Do You Know How to Seal Your Interlock?

Fall means shorter days and colder temperatures. And with winter soon approaching, it's the perfect time to think about getting your outdoor landscaping ready to handle the cold weather. A big part of your outdoor space is your interlocking pavers. Even though they’re made from tough natural stone, they’re still susceptible to staining or discolouration due the snow and ice that will eventually fall. By sealing your interlock driveway, you’ll make certain it keeps its colour and looks its best all winter long. And with the right tools and know-how, you’ll be able to seal your interlock driveway or interlocking patio stones like a pro.

What you need

Many of these accessories you’ll be able to find at Legends Landscape Supply Inc.:

  • Garden hose
  • Bucket and water
  • Scrubbing brush
  • Brick or concrete stain remover
  • Paint roller and paint sprayer
  • Broom (stiff-bristled)
  • Sand
  • Acrylic-based interlock sealant
Hosing driveway

Step 1: Hose down the pavers with your garden hose

Make certain you move any patio or outdoor furniture off of your interlock pavers before you wash them down. When you do hose them down, be sure to do a complete and thorough job.

Step 2: Mix the water and detergent in the bucket

Create a solution that’s very sudsy and soapy.

Step 3: Pour the water and detergent solution over your pavers

Then, let the solution sit for approximately 20 minutes. Once 20 minutes have passed, scrub the solution deeply into the pavers using your scrubbing brush or broom with stiff bristles.

Step 4: Look for deep stains on your pavers

Even after you’ve cleaned them with your brush and solution, there may be some stains which are still visible. If you find any stubborn stains, clean them with the brick or concrete stain remover. Just be sure to follow the instructions carefully.

Step 5: Look at the joints between each paving stone

You’re looking to see if they have the right amount of sand, which helps keep the interlocking pavers in place. The level of sand should be about 50% of the height of the pavers themselves. If you notice that any joints need extra sand, fill them by:

  • Pouring sand on the bricks
  • Sweeping the sand into the joints of any pavers which requires it

Remember, the sand should reach about halfway up the side of each individual paver stone. When done, sweep away any leftover sand, soil or other debris with your broom.

Step 6: Apply a coat of solvent-based and water-based interlock sealant

Use long, smooth and consistent strokes. You can then use the paint sprayer to spray the sealant on the pavers (especially if you have a large area to seal). Don’t forget to even spread out any excess sealant over your interlocking pavers.

  • For brand new jobs, you may want to wait for the interlock to weather for approximately 60-90 days. That way, the efflorescence will come out (and not be trapped under the sealant, giving your interlock that milky, hazy appearance).

Step 7: Let the sealer dry

Once the sealant has dried (as per the time recommended on the label), add another layer of sealant.

Let us help you with your interlock pavers

You worked hard this year to install attractive interlocking pavers on your property. Don’t risk your hard work by neglecting to seal and protect them for the upcoming winter weather. Contact us with any questions about your interlocking pavers. We’ll be happy to provide a FREE quote, or to give you the advice you need to keep your interlock stone looking its best for years to come.







1150 Heritage Road
Burlington, Ontario
L7L 4X9



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